Handle Reddit PRAW exceptions

apiserver/feeds/reddit.py

@@ -8,7 +8,9 @@ if __name__ == '__main__':
     sys.path.insert(0,'.')
 
 import praw
+from praw.exceptions import PRAWException
 from praw.models import MoreComments
+from prawcore.exceptions import PrawcoreException
 
 from utils import render_md
 
@@ -20,7 +22,14 @@ SITE_AUTHOR_LINK = lambda x : 'https://old.reddit.com/u/{}'.format(x)
 reddit = praw.Reddit('bot')
 
 def feed():
-    return [x.id for x in reddit.subreddit(SUBREDDITS).hot()]
+    try:
+        return [x.id for x in reddit.subreddit(SUBREDDITS).hot()]
+    except PRAWException as e:
+        logging.error('Problem hitting reddit API: {}'.format(str(e)))
+        return []
+    except PrawcoreException as e:
+        logging.error('Problem hitting reddit API: {}'.format(str(e)))
+        return []
 
 def comment(i):
     if isinstance(i, MoreComments):
@@ -40,25 +49,33 @@ def comment(i):
     return c
 
 def story(ref):
-    r = reddit.submission(ref)
-    if not r: return False
+    try:
+        r = reddit.submission(ref)
+        if not r: return False
 
-    s = {}
-    s['author'] = r.author.name if r.author else '[Deleted]'
-    s['author_link'] = SITE_AUTHOR_LINK(r.author)
-    s['score'] = r.score
-    s['date'] = r.created_utc
-    s['title'] = r.title
-    s['link'] = SITE_LINK(r.permalink)
-    s['url'] = r.url
-    s['comments'] = [comment(i) for i in r.comments]
-    s['comments'] = list(filter(bool, s['comments']))
-    s['num_comments'] = r.num_comments
+        s = {}
+        s['author'] = r.author.name if r.author else '[Deleted]'
+        s['author_link'] = SITE_AUTHOR_LINK(r.author)
+        s['score'] = r.score
+        s['date'] = r.created_utc
+        s['title'] = r.title
+        s['link'] = SITE_LINK(r.permalink)
+        s['url'] = r.url
+        s['comments'] = [comment(i) for i in r.comments]
+        s['comments'] = list(filter(bool, s['comments']))
+        s['num_comments'] = r.num_comments
 
-    if r.selftext:
-        s['text'] = render_md(r.selftext)
+        if r.selftext:
+            s['text'] = render_md(r.selftext)
 
-    return s
+        return s
+
+    except PRAWException as e:
+        logging.error('Problem hitting reddit API: {}'.format(str(e)))
+        return False
+    except PrawcoreException as e:
+        logging.error('Problem hitting reddit API: {}'.format(str(e)))
+        return False
 
 # scratchpad so I can quickly develop the parser
 if __name__ == '__main__':